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Sleepiness may impair the brain's inhibitory control when viewing high-calorie foods
Date:6/13/2011

often associated with reduced metabolic activity within these same prefrontal regions.

Killgore noted that the rapidly rising rate of obesity makes it important to understand the relationship between sleep-related factors, brain responses to food, and eating behavior.

"Given the chronic level of sleep restriction in our society, such relationships could have epidemiologic implications regarding the current increase in obesity in westernized countries," he said.

In a previous study published in Neuroreport in 2010, Killgore also found sex differences in cerebral responses to the caloric content of food images. Results of that study indicate that when viewing high-calorie food images, women showed significantly greater activation than men in brain regions that are involved in behavioral control and self-referential cognition.


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Contact: Emilee McStay
emcstay@aasmnet.org
630-737-9700
American Academy of Sleep Medicine
Source:Eurekalert

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